Bakr bin Mazni (may Allah have mercy on him) says that I heard Hazrat Anas (may Allah be pleased with him) narrate this hadith: I heard the Prophet (peace and blessings be upon him) recite the talbiyah for Hajj and Umrah together. So I narrated this hadith to Hazrat Ibn Umar (may Allah be pleased with him), and he said that the Prophet (peace and blessings be upon him) recited the talbiyah only for Hajj. When I met Hazrat Anas (may Allah be pleased with him), I told him what Hazrat Ibn Umar (may Allah be pleased with him) had said. He replied, "Do you people consider us children? I myself heard the Prophet (peace and blessings be upon him) say, 'Labbayk Umrah wa Hajjan.'"